The coenzyme ________ donates ________ to ferment pyruvate into lactate or ethanol
The coenzyme _NADH_ donates _2 PROTONS_ to ferment pyruvate into lactate or ethanol
The coenzyme ________ donates ________ to ferment pyruvate into lactate or ethanol
a. what requires the coenzyme NADH?? glucose to pyruvate, pyruvate to CoA, or pyruvate to lactate b. what is the step in the synthesis of proteins from RNA called where the genetic message contained in RNA dictates the specific amino acid sequence protein? c.what is the third stage of catabolism for glucose? electron transport chain, citric acid cycle, glycolisis
9. Which of the listed enzymes does not require biotin as coenzyme ?: a pyruvate carboxylase b. acetyl-SCoA carboxylase c. propionyl-SCoA carboxylase d. PEP carboxykinase The source of acetyl-SCoA in the cytoplasm is: a carnitine b. oxaloacetate citrate d pyruvate e. lactate 10. 9. Which of the listed enzymes does not require biotin as coenzyme ?: a pyruvate carboxylase b. acetyl-SCoA carboxylase c. propionyl-SCoA carboxylase d. PEP carboxykinase The source of acetyl-SCoA in the cytoplasm is: a carnitine b. oxaloacetate...
3 20 The conversion pyruvate to either ethanol or lactate occurs A. when there is an abundance of pyruvate but a deficiency of onygen B. when there is an abundance of BOTH pyruvate and oxygen C. when there is a deficiency of BOTH pyruvate and oxygen D. for the regeneration of NADH so that hydrolysis of ATP can continue to fuel the glycolysis pathway Explain how gluconeogenesis differs from gtycolysis 21 Gluconeogenesis is simply the reverse of all 10 steps...
14. Lactate dehydrogenase (LDH) catalyzes conversion of pyruvate into L-lactate in muscle tissue. What is the AG' (in kJ/mol) for the forward reaction catalyzed by LDH at an average adult body temperature of 37 °C? Equilibrium concentrations of the reactants and products are given below for each of the components. You must show your calculations. (4 pts) 00 0. 0 LDH + NADH + H = - HOCH + NAD 0 CH3 5uM 0.75 UM 7.8 UM Pyruvate 17.5 UM...
I1. Mammals lack the enzyme a. Lactate dehydrogenase b. Pyruvate kinase Alcohol Dehydrogenase c. d. Pyruvate decarboxylase None of the above are correct e. 12. The first reaction of the Krebs cycle combines Oxaloacetate and Acetyl CoA to make Citrate b. a. Malate and NADH to make Citrate a-ketoglutarate and citrate to make CO2 d. c- Succinate and Citrate to make Oxaloacetate 13. The electrons held by NADH and FADH, are donated to the which complexes in the ETC respectively?...
1. Which enzyme is NOT part of the GNG process? a .Pyruvate kinase b. Pyruvate carboxylase c. Phosphoenolpyruvate carboxykinsase d. Glucose-6-phosphatase 2. Which molecule can NOT be derived from pyruvate in human? a. Oxaloacetate b. Acetyl CoA c. Lactate d. Ethanol 3. Which one of the following statements regarding the ruminant gluconeogenesis process is correct? a. It leads to net gain of ATP. b. It begins with propionate. c. It begins with lactate. d. It begins with pyruvate.
© pyruvate NAD+ Coenzyme A There are carbon atoms (C) brought in by pyruvate at the start of step 1. COCOA acetyl-CoA There are carbon atoms (C) present in citrate. Step 2 coeruryme There is a total of molecule(s) of FADH2 produced during the entire series of reactions (steps 1 and 2). GGGGGG GOOG QUAD Krebs Cycle FADHI Which of the following molecules are created during the second stage of aerobic respiration and then leave to do work elsewhere in...
Part N What is the AE.' for the oxidation of succinate to fumarate by coenzyme Q under standard conditions? Express your answer using two decimal places. Η ΑΣΦ ? AE0' = V Submit Request Answer Redox Pair (oxidized form + reduced form) Number of electrons Reduction Potential, Volts Acetate → pyruvate 2 -0.70 Succinate → a- ketoglutarate 2 -0.67 Acetate → acetaldehyde 2 -0.60 3-phosphoglycerate + glyceraldehyde- 3-P -0.55 N a-ketoglutarate → isocitrate 2 -0.38 NAD+ + NADH 2 -0.32...
27. What is being reduced in the following reaction? Pyruvate + NADH = Lactate + NAD a. oxygen 6. NADH c. NAD d. lactate pyruvate 45. Where do profons accumulate during electron transport in chloroplasts? a. intermembrane space thylakoid space c. stromal space d. matrix e. photosynthetic lacunae
The conversion of pyruvate to lactate is important because It is a step in gluconeogenesis. It is a way of making ATP. It allows for regeneration of NAD+ for glycolysis it occurs when there is a high amount of oxygen.